diff --git a/contrib/pandas/index.md b/contrib/pandas/index.md
index 2a15929..db008e2 100644
--- a/contrib/pandas/index.md
+++ b/contrib/pandas/index.md
@@ -9,4 +9,4 @@
 - [Working with Date & Time in Pandas](datetime.md)
 - [Importing and Exporting Data in Pandas](import-export.md)
 - [Handling Missing Values in Pandas](handling-missing-values.md)
-- [Pandas Series](pandas_series.md)
\ No newline at end of file
+- [Pandas Series](pandas-series.md)